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Annotation of sys/arch/mac68k/mac68k/pram.c, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: pram.c,v 1.11 2006/01/18 23:21:17 miod Exp $  */
                      2: /*     $NetBSD: pram.c,v 1.11 1996/10/21 05:42:29 scottr Exp $ */
                      3:
                      4: /*-
                      5:  * Copyright (C) 1993  Allen K. Briggs, Chris P. Caputo,
                      6:  *                     Michael L. Finch, Bradley A. Grantham, and
                      7:  *                     Lawrence A. Kesteloot
                      8:  * All rights reserved.
                      9:  *
                     10:  * Redistribution and use in source and binary forms, with or without
                     11:  * modification, are permitted provided that the following conditions
                     12:  * are met:
                     13:  * 1. Redistributions of source code must retain the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer.
                     15:  * 2. Redistributions in binary form must reproduce the above copyright
                     16:  *    notice, this list of conditions and the following disclaimer in the
                     17:  *    documentation and/or other materials provided with the distribution.
                     18:  * 3. All advertising materials mentioning features or use of this software
                     19:  *    must display the following acknowledgement:
                     20:  *     This product includes software developed by the Alice Group.
                     21:  * 4. The names of the Alice Group or any of its members may not be used
                     22:  *    to endorse or promote products derived from this software without
                     23:  *    specific prior written permission.
                     24:  *
                     25:  * THIS SOFTWARE IS PROVIDED BY THE ALICE GROUP ``AS IS'' AND ANY EXPRESS OR
                     26:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     27:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     28:  * IN NO EVENT SHALL THE ALICE GROUP BE LIABLE FOR ANY DIRECT, INDIRECT,
                     29:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     30:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     31:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     32:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     33:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
                     34:  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     35:  */
                     36:
                     37: #include <sys/types.h>
                     38: #include <sys/param.h>
                     39:
                     40: #include <mac68k/mac68k/pram.h>
                     41: #include <mac68k/dev/adbvar.h>
                     42:
                     43: /*
                     44:  * getPramTime
                     45:  * This function can be called regrardless of the machine
                     46:  * type. It calls the correct hardware-specific code.
                     47:  */
                     48: unsigned long
                     49: pram_readtime()
                     50: {
                     51:         unsigned long time;
                     52:
                     53:         switch (adbHardware) {
                     54:         case ADB_HW_II:         /* access PRAM via VIA interface */
                     55:                 return (getPramTimeII());
                     56:
                     57:         case ADB_HW_IISI:       /* access PRAM via pseudo-adb functions */
                     58:        case ADB_HW_CUDA:
                     59:                 if (adb_read_date_time(&time) != 0)
                     60:                         return (0);
                     61:                 else
                     62:                         return (time);
                     63:
                     64:         case ADB_HW_PB:         /* don't know how to access this yet */
                     65:                 return (0);
                     66:
                     67:         case ADB_HW_UNKNOWN:
                     68:         default:
                     69:                 return (0);
                     70:         }
                     71: }
                     72:
                     73: /*
                     74:  * setPramTime
                     75:  * This function can be called regrardless of the machine
                     76:  * type. It calls the correct hardware-specific code.
                     77:  */
                     78: void
                     79: pram_settime(unsigned long time)
                     80: {
                     81:         switch (adbHardware) {
                     82:         case ADB_HW_II:         /* access PRAM via ADB interface */
                     83:                 setPramTimeII(time);
                     84:                 break;
                     85:
                     86:         case ADB_HW_IISI:       /* access PRAM via pseudo-adb functions */
                     87:        case ADB_HW_CUDA:
                     88:                 adb_set_date_time(time);
                     89:                 break;
                     90:
                     91:         case ADB_HW_PB:         /* don't know how to access this yet */
                     92:                 break;
                     93:
                     94:         case ADB_HW_UNKNOWN:
                     95:        default:
                     96:                 break;
                     97:         }
                     98: }